var rela = [
			// "community":"楼栋名称",
			// "alias":"楼栋简称",
			// "tempXY":[ Y , X ]
			{
				"community" : "香苑小区1号楼",
				"alias":"1#",
				"tempXY" : [ 180, 190 ]
			}, {
				"community" : "香苑小区2号楼",
				"alias":"2#",
				"tempXY" : [ 280, 300 ]
			}, {
				"community" : "香苑小区10号楼",
				"alias":"10#",
				"tempXY" : [ 270, 100 ]
			}, {
				"community" : "香苑小区11号楼",
				"alias":"11#",
				"tempXY" : [ 330, 160 ]
			}, {
				"community" : "香苑小区3号楼",
				"alias":"3#",
				"tempXY" : [ 385, 310 ]
			}, {
				"community" : "香苑小区4号楼",
				"alias":"4#",
				"tempXY" : [ 480, 320 ]
			}, {
				"community" : "香苑小区5号楼",
				"alias":"5#",
				"tempXY" : [ 475, 415 ]
			},{
				"community" : "香苑小区6号楼",
				"alias":"6#",
				"tempXY" : [ 565, 420 ]
			}, {
				"community" : "香苑小区7号楼",
				"alias":"7#",
				"tempXY" : [ 380, 415 ]
			}, {
				"community" : "香苑小区8号楼",
				"alias":"8#",
				"tempXY" : [ 140, 325 ]
			}, {
				"community" : "香苑小区9号楼",
				"alias":"9#",
				"tempXY" : [ 170, 392 ]
			}];
